APA استشهاد

Lehmann, D. R. (2005). Product management. Tata McGraw Hill.

استشهاد بنمط شيكاغو

Lehmann, Donald R. Product Management. New Delhi: Tata McGraw Hill, 2005.

MLA استشهاد

Lehmann, Donald R. Product Management. Tata McGraw Hill, 2005.